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Green rectangular ATX motherboard with silver socket and eight black memory slots

Supermicro

Supermicro C741 Intel motherboard LGA-4677 ATX

SKU CH-Y8WG-PS42H MPN C741

Intel C741 chipset ATX board with LGA-4677 socket, 8 DDR5 slots supporting 2 TB, and PCIe 5.0 x16 plus x8 expansion

  • Supports Xeon processors on LGA-4677 socket
  • Up to 2 TB DDR5 memory capacity
  • Eight DIMM slots for RDIMM modules
  • PCI Express 5.0 with three x8 and two x16 slots
  • ATX form factor fits standard server chassis

Server-Class Xeon Platform

The Supermicro C741 is an ATX motherboard built around the Intel C741 chipset and the LGA-4677 socket. It targets system integrators and IT departments deploying 4th Gen Intel Xeon processors in rack or tower servers that require high memory capacity and PCIe 5.0 connectivity.

Straightforward Rack Integration

The board follows the standard ATX mounting pattern, so it fits common server chassis without custom brackets. Eight DIMM slots accept both RDIMM and DIMM modules, but population rules for maximum 2 TB capacity depend on the specific Xeon SKU; mis-matched ranks or speeds are the most common cause of POST failure. Three PCIe 5.0 x8 slots and two x16 slots leave little room for error when routing power cables in dense builds.

Verify Processor And Memory Before Purchase

Confirm the exact Xeon model you intend to use is validated for the C741 chipset and LGA-4677 socket, as not every 4th Gen part is supported. Ensure your DDR5 RDIMM or DIMM kits match the qualified vendor list for 2 TB total capacity across eight slots. Check that your chassis power distribution can deliver the required EPS connectors for the chosen CPU thermal design power.

Highlights

  • Supports Xeon processors on LGA-4677 socket
  • Up to 2 TB DDR5 memory capacity
  • Eight DIMM slots for RDIMM modules
  • PCI Express 5.0 with three x8 and two x16 slots
  • ATX form factor fits standard server chassis

Specifications

No published specifications for this item yet.

Questions about this item

How do I verify the C741 motherboard is running with DDR5 SDRAM at the full 2 TB capacity after installation?

Enter the BIOS on first boot and confirm all eight memory slots show populated RDIMM or DIMM modules totalling 2 TB of DDR5 SDRAM.

What components are included with the Supermicro C741 board and what must be sourced separately?

The board itself is supplied; Xeon processors, DDR5 RDIMM or DIMM modules up to 2 TB total, and any PCI Express 5.0 add-in cards are purchased separately.

Which memory configuration should I choose for the eight slots on this C741 motherboard?

Populate all eight slots with matching DDR5 RDIMM or DIMM modules to reach the 2 TB maximum supported capacity.

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